so, it's illegal to killing them, making educating the public key to their survival. >> we hope people would be understanding about co-existing with these native animals. >> reporter: down in the southern tip of florida, the canals of florida power & light's power plant have been a safe haven for crocodiles since about 1978, with about 400 living here now. turkey point, in addition to refuges in everglades national park and crocodile lake has been essential for the species recovery. people work to make sure that crocodiles are here to stay. >> this is a really good example of a nesting habitat. >> reporter: each year, the turkey point croc team goes out to find nests and tag newborns with microchips. this gives each new crocodile an i.d., and helps them keep track of how the species is progressing. >> if we protect the crocodiles, we're protecting a whole number of species, some of which are threatened. >> reporter: then, the hard work begins as the sun sets. they're going to see up close how the crocodiles are doing. >> i see him. let's do it. >> now, we have to get it tired. >> repor